Goodwill and Other Intangible Assets (Goodwill) (Details) $ in Millions |
Mar. 31, 2016
USD ($)
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|---|---|
| Goodwill [Roll Forward] | |
| Goodwill, Beginning Balance | $ 14,345 |
| Goodwill, Ending Balance | $ 14,345 |
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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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